title: Severe bleeding disorders in children with normal coagulation screening tests.
mesh_terms: D001780:Blood Coagulation Tests; D002648:Child; D005169:Factor VIII / Q000032:analysis; D006474:Hemorrhagic Disorders / Q000175:diagnosis*; D006801:Humans; D010314:Partial Thromboplastin Time
chemical_list: D005169:Factor VIII